Performance data and technical specs are based on the model from 1985.
Acceleration (0-100 km/h): 5.0 sec.
Topspeed (mph): 186
Acceleration (0-60 mph): 5.0 sec.
Cylinders: V8
Displacement: 5341 ccm (5.3 l)
Engine Power: 432 hp (322 kw)
Gears: Manual, 5-speed
Weight: 1590kg (3506 lbs)
Weight/Power ratio: 3.68 kg/hp
Power/Displacement ratio: 80.88 hp/l
Metric performance data, Aston Martin Zagato compared with similar cars:
| Aston Martin Zagato | Ferrari 288 GTO | Lamborghini Countach 25th Anniversary | Porsche 959 | |
| Topspeed (km/h): | 300 | 305 | 298 | 300 |
| Acceleration (0-100 km/h): | 5.0 | 4.8 | 4.8 | 3.7 |
| Power: | 432 hp (322 kw) | 395 hp (295 kw) | 448 hp (334 kw) | 444 hp (331 kw) |
| Weight (kg): | 1590 | 1160 | 1490 | 1450 |
English performance data, Aston Martin Zagato compared with similar cars:
| Aston Martin Zagato | Ferrari 288 GTO | Lamborghini Countach 25th Anniversary | Porsche 959 | |
| Topspeed (mph): | 186 | 189 | 185 | 186 |
| Acceleration (0-60 mph): | 5.0 | 4.8 | 4.8 | 3.7 |
| Power: | 432 hp (322 kw) | 395 hp (295 kw) | 448 hp (334 kw) | 444 hp (331 kw) |
| Weight (lbs): | 3506 | 2558 | 3285 | 3197 |
